/// <summary>
/// Caches the metadata.
/// </summary>
/// <param name="metadata">The metadata.</param>
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
var oldGetMethod = this.getMethod;
var oldSetMethod = this.setMethod;
if (typeof(TOperand).IsValueType)
{
metadata.AddValidationError(SR.TargetTypeIsValueType(this.GetType().Name, this.DisplayName));
}
if (this.Indices.Count == 0)
{
metadata.AddValidationError(SR.IndicesAreNeeded(this.GetType().Name, this.DisplayName));
}
else
{
IndexerHelper.CacheMethod <TOperand, TItem>(this.Indices, ref this.getMethod, ref this.setMethod);
if (this.setMethod == null)
{
metadata.AddValidationError(SR.SpecialMethodNotFound("set_Item", typeof(TOperand).Name));
}
}
var operandArgument = new RuntimeArgument("Operand", typeof(TOperand), ArgumentDirection.In, true);
metadata.Bind(this.Operand, operandArgument);
metadata.AddArgument(operandArgument);
IndexerHelper.OnGetArguments(this.Indices, this.Result, metadata);
if (MethodCallExpressionHelper.NeedRetrieve(this.getMethod, oldGetMethod, this.getFunc))
{
this.getFunc = MethodCallExpressionHelper.GetFunc(metadata, this.getMethod, funcCache, locker);
}
if (MethodCallExpressionHelper.NeedRetrieve(this.setMethod, oldSetMethod, this.setFunc))
{
this.setFunc = MethodCallExpressionHelper.GetFunc(metadata, this.setMethod, funcCache, locker);
}
}
protected override void CacheMetadata(CodeActivityMetadata metadata)
{
if (!typeof(TOperand).IsValueType)
{
metadata.AddValidationError(System.Activities.SR.TypeMustbeValueType(typeof(TOperand).Name));
}
if (this.Indices.Count == 0)
{
metadata.AddValidationError(System.Activities.SR.IndicesAreNeeded(base.GetType().Name, base.DisplayName));
}
else
{
IndexerHelper.CacheMethod <TOperand, TItem>(this.Indices, ref this.getMethod, ref this.setMethod);
if (this.setMethod == null)
{
metadata.AddValidationError(System.Activities.SR.SpecialMethodNotFound("set_Item", typeof(TOperand).Name));
}
}
RuntimeArgument argument = new RuntimeArgument("OperandLocation", typeof(TOperand), ArgumentDirection.InOut, true);
metadata.Bind(this.OperandLocation, argument);
metadata.AddArgument(argument);
IndexerHelper.OnGetArguments <TItem>(this.Indices, base.Result, metadata);
}